Hackers turned the ceiling of Lobby 7 into a giant “black hole” early on Saturday morning, complete with a crumpled CERN spaceship being sucked into the center (in reference to the Large Hadron Collider project).

About one fifth of applicants, an unusually large fraction, were rejected outright in this year’s early admissions cycle, which saw a record-high of 5,684 applications and a record-low admit rate of 10.4 percent.

After serving as Chairman of the MIT Corporation for six years and selecting Susan J. Hockfield as MIT’s latest president, Dana G. Mead PhD ’67 announced last Friday that he will be stepping down from his position at the end of June. According to Corporation bylaws, members may not be older than 75; Mead is currently 74.

A group of researchers at the Massachusetts Institute of Technology edged out about 4,300 other teams on Saturday in a Pentagon-sponsored contest to correctly identify the location of 10 red balloons distributed around the United States.

Two and a half years ago, Marilee Jones, the highly regarded dean of admissions at the Massachusetts Institute of Technology, vanished from public sight when it came to light that nearly three decades earlier, when she was first hired there, she had lied about her academic credentials.